Performance Analysis Highlights

Performance Analysis Features

Performance Analysis allows you to gather and display detailed information about your monitored servers within your environment. Performance analysis provides ease of access through a variety of tabs.

Note:  Available tabs and features vary by product (i.e. SQL Sentry vs. Win Sentry vs. BI Sentry).


The Dashboard provides a graphical representation of the monitored server activity through a variety of graphs. Color coded graphs distinguish between what's used by the instance versus any other processes.

SentryOne Performance Analysis Dashboard

Note:  The information shown on each tab is relevant to the time shown on the toolbar. See how the server looked at a given date or time by selecting the desired time in the Start and End drop-down boxes. Select Sync to synchronize all the tabs within the same time frame.

SentryOne toolbar

The left side displays Windows metrics for the monitored server.

SentryOne Peformance Analysis Dashboard left side graphs

The right side displays SQL server metrics for the monitored instance.

SentryOne Performance Analysis Dashboard right side graphs

Note:  If you are running in Limited access mode, you can only view the instance level metrics.       


The Processes tab presents a list of processes that are running on your monitored server. Metrics related to the resource utilization of these processes is also shown. 

SentryOne Performance Analysis Processes tab

Disk Activity

The Disk Activity tab displays information about the data and log files on your server. This tab displays the latency for reads and writes from files on your disk, and the latency from the system to the disk controllers. 

SentryOne Performance Analysis Disk Activity tab

Disk Space

The Disk Space tab displays information about the size of the files on your disks, and the free space on your disks. Additionally, this tab provides detailed information about Data and Log files (auto growth settings, number of VLFs, etc).    

SentryOne Performance Analysis Disk Space tab


The Top SQL tab displays potentially problematic queries and procedures running on your monitored instance. Top SQL also provides a look at the execution plan diagrams and history of queries and procedures captured by SentryOne.

SentryOne Performance Analysis Top SQL tab


The Indexes tab provides a view of the collected table and index information according to the settings and schedules chosen when enabling the fragmentation manager solution.

SentryOne Performance Analysis Indexes tab


The AlwaysOn tab displays information about configured availability groups.

SentryOne Performance Analysis AlwaysOn tab

Blocking SQL

Blocking SQL displays a view of the blocking events that were collected on your server.

SentryOne Performance Analysis Blocking SQL tab

Note:  Blocking SQL provides different versions of the block depending on which SPIDs were being blocked, and which SPID was the head blocker at the time.

Query Plans

The Query Plans tab lists all plans collected for Top SQL events for the specified date range. This provides a detailed chronology of all query plan changes, so you can go back to any point in time to see when a plan change may have led to a query performance problem.

SentryOne Performance Analysis Query Plans tab


Deadlocks displays a grid of the SPIDs that owned a lock on a resource, as well as SPIDs waiting for a resource. This is a graphical representation, that allows you to easily identify the steps leading to the deadlock.

SentryOne Performance Analysis Deadlocks tab

Quick Traces

QuickTrace is SentryOne's version of profiler, but without the overhead. You can specify how long QuickTrace runs, and whether it collects statement events. Additionally, QuickTrace can be made as a response to an event.

SentryOne Performance Analysis QuickTraces tab